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diff --git a/Source/WebKit2/WebProcess/InjectedBundle/APIInjectedBundleFormClient.h b/Source/WebKit2/WebProcess/InjectedBundle/APIInjectedBundleFormClient.h
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+++ b/Source/WebKit2/WebProcess/InjectedBundle/APIInjectedBundleFormClient.h
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+/*
+ * Copyright (C) 2014 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef APIInjectedBundleFormClient_h
+#define APIInjectedBundleFormClient_h
+
+#include <wtf/Forward.h>
+#include <wtf/Vector.h>
+
+namespace WebCore {
+class Element;
+class HTMLFormElement;
+class HTMLInputElement;
+class HTMLTextAreaElement;
+}
+
+namespace WebKit {
+class WebFrame;
+class WebPage;
+}
+
+namespace API {
+
+class Object;
+
+namespace InjectedBundle {
+
+class FormClient {
+public:
+    virtual ~FormClient() { }
+
+    virtual void didFocusTextField(WebKit::WebPage*, WebCore::HTMLInputElement*, WebKit::WebFrame*) { }
+    virtual void textFieldDidBeginEditing(WebKit::WebPage*, WebCore::HTMLInputElement*, WebKit::WebFrame*) { }
+    virtual void textFieldDidEndEditing(WebKit::WebPage*, WebCore::HTMLInputElement*, WebKit::WebFrame*) { }
+    virtual void textDidChangeInTextField(WebKit::WebPage*, WebCore::HTMLInputElement*, WebKit::WebFrame*, bool) { }
+    virtual void textDidChangeInTextArea(WebKit::WebPage*, WebCore::HTMLTextAreaElement*, WebKit::WebFrame*) { }
+
+    enum class InputFieldAction {
+        MoveUp,
+        MoveDown,
+        Cancel,
+        InsertTab,
+        InsertBacktab,
+        InsertNewline,
+        InsertDelete,
+    };
+
+    virtual bool shouldPerformActionInTextField(WebKit::WebPage*, WebCore::HTMLInputElement*, InputFieldAction, WebKit::WebFrame*) { return false; }
+    virtual void willSubmitForm(WebKit::WebPage*, WebCore::HTMLFormElement*, WebKit::WebFrame*, WebKit::WebFrame*, const Vector<std::pair<WTF::String, WTF::String>>&, RefPtr<API::Object>& userData) { UNUSED_PARAM(userData); }
+    virtual void willSendSubmitEvent(WebKit::WebPage*, WebCore::HTMLFormElement*, WebKit::WebFrame*, WebKit::WebFrame*, const Vector<std::pair<WTF::String, WTF::String>>&) { }
+    virtual void didAssociateFormControls(WebKit::WebPage*, const Vector<RefPtr<WebCore::Element>>&) { }
+    virtual bool shouldNotifyOnFormChanges(WebKit::WebPage*) { return false; }
+    virtual void willBeginInputSession(WebKit::WebPage*, WebCore::Element*, WebKit::WebFrame*, RefPtr<API::Object>& userData, bool userIsInteracting) { UNUSED_PARAM(userData); }
+};
+
+} // namespace InjectedBundle
+
+} // namespace API
+
+#endif // APIInjectedBundleFormClient_h